#!/usr/bin/python

# The ChartDirector for Python module is assumed to be in "../lib"
import sys, os
sys.path.insert(0, os.path.join(os.path.abspath(sys.path[0]), "..", "lib"))

from pychartdir import *

def createChart(chartIndex) :

    # The value to display on the meter
    value = 66.77

    # Create a LinearMeter object of size 70 x 260 pixels with black background and rounded corners
    m = LinearMeter(70, 260, 0x000000)
    m.setRoundedFrame(Transparent)

    # Set the default text and line colors to white (0xffffff)
    m.setColor(TextColor, 0xffffff)
    m.setColor(LineColor, 0xffffff)

    # Set the scale region top-left corner at (36, 30), with size of 20 x 196 pixels. The scale
    # labels are located on the left (default - implies vertical meter).
    m.setMeter(36, 30, 20, 196)

    # Set meter scale from 0 - 100, with a tick every 10 units
    m.setScale(0, 100, 10)

    # Add the chart title at the top center
    title = m.addText(m.getWidth() / 2, 5, "Temp C", "Arial Bold", 8, TextColor, TopCenter)

    # Move the scale labels 8 pixels from the meter scale to make room for the color scale
    m.setLabelPos(0, 8)

    # Demostrate different types of color scales
    smoothColorScale = [0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000]
    stepColorScale = [0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100]
    highLowColorScale = [0, 0x0000ff, 40, Transparent, 60, Transparent, 100, 0xff0000]
    highColorScale = [70, Transparent, 100, 0xff0000]

    if chartIndex == 0 :
        # Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0x0088ff, glassEffect(NormalGlare, Left), 4)
        # Add a 4-pixel thick smooth color scale at x = 29 (left of meter scale)
        m.addColorScale(smoothColorScale, 29, 4)
    elif chartIndex == 1 :
         # Add a yellow (0xCC9922) bar from 0 to value with bar lighting effect
        m.addBar(0, value, 0xcc9922, barLighting())
        # Add a 4-pixel thick smooth color scale at x = 29 (left of meter scale)
        m.addColorScale(smoothColorScale, 29, 4)

        # Set the title style to black text on a yellow (0xcc9922) background with rounded corners
        title.setFontColor(0x000000)
        title.setBackground(0xcc9922)
        title.setRoundedCorners(2)
    elif chartIndex == 2 :
         # Add a grey (0xaaaaaa) bar from 0 to value with bar lighting effect
        m.addBar(0, value, 0xaaaaaa, barLighting())
        # Add a 4-pixel high/low color scale at x = 29 (left of meter scale)
        m.addColorScale(highLowColorScale, 29, 4)
    elif chartIndex == 3 :
         # Add a brown (0xbb6622) bar from 0 to value with cylinder lighting effect
        m.addBar(0, value, 0xbb6622, cylinderEffect())
        # Add a 4 pixel thick brown (0xbb6622) frame
        m.setThickFrame(4, 0xbb6622)
        # Add a high only color scale at x = 29 (left of meter scale)
        m.addColorScale(highColorScale, 29, 4)
    elif chartIndex == 4 :
        # Add a purple (0x7755ee) bar from 0 to value
        m.addBar(0, value, 0x7755ee)
        # Add a 4 pixel thick purple (0x880088) frame
        m.setThickFrame(4, 0x880088)
        # Add a 4-pixel high/low color scale at x = 29 (left of meter scale)
        m.addColorScale(highLowColorScale, 29, 4)
    else :
         # Add a green (0x00bb00) bar from 0 to value with soft lighting effect and 4 pixel rounded
         # corners
        m.addBar(0, value, 0x00bb00, softLighting(), 4)
        # Add a 4-pixel step color scale at x = 29 (left of meter scale)
        m.addColorScale(stepColorScale, 29, 4)

    # Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
    # font on a black (0x000000) background with depressed grey (0x333333) rounded border.
    t = m.addText(m.getWidth() / 2, m.getHeight() - 7, m.formatValue(value, "2"), "Arial Bold", 8,
        0xffffff, BottomCenter)
    t.setBackground(0x000000, 0x333333, -1)
    t.setRoundedCorners(3)

    # Output the chart
    m.makeChart("blackvbarmeter%s.png" % chartIndex)


createChart(0)
createChart(1)
createChart(2)
createChart(3)
createChart(4)
createChart(5)

